From: Ilia Alshanetsky <iliaa@php.net>
Date: Sat, 27 Nov 2004 18:17:58 +0000 (+0000)
Subject: Improve offset check inside shmop_write().
X-Git-Tag: RELEASE_0_2~618
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9379801c9a18869b0eec1e59546f635ae88bc8d3;p=php

Improve offset check inside shmop_write().
---

diff --git a/ext/shmop/shmop.c b/ext/shmop/shmop.c
index 6fe70f30b4..ec292bd905 100644
--- a/ext/shmop/shmop.c
+++ b/ext/shmop/shmop.c
@@ -310,7 +310,7 @@ PHP_FUNCTION(shmop_write)
 		RETURN_FALSE;
 	}
 
-	if (offset > shmop->size) {
+	if (offset < 0 || offset > shmop->size) {
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "offset out of range");
 		RETURN_FALSE;
 	}